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All-in-One Adapter - fits 95% of AC/DC home appliances.

Such as liquid crystal display, LED light bar, motor, light cat, mini TV, 2.5 inch mobile hard disk, mobile DVD, TV box, wireless audio and video equipment, charging equipment, MP3/MP4, small table lamp, router, switch, game machines, telephones, lanterns, cameras, surveillance equipment, massagers, beauty instruments, motors, controllers and other household / portable devices.

Specifications:
3-24V selectable output levels provide a broad mobile power solution
Metal shielded ring ensures that it does not interfere with other cords.
fully tested and simple installation.
Product type: Adjustable Power Adapter
Plug type: EU Plug
*Input: AC 100-240V 50/60HZ
*Output: DC 3-24V (adjustable)
*Output current: 2.5A
*Color: Black
*Dimension: approx. 13.2*4.8cm (as picture shown)

*Total Cable length: 163cm/5.34ft (as picture shown)

*1 year warranty

Reverse Polarity Converter Cable

Reverse Polarity what you want, fit for keyboard and guitar effect pedal.

Length: 173mm

Dimension: 5.5mmx2.1mm

Color: Black

Package included :

1 * Adjustable Power Adapter(EU Plug)

1 * Reverse Polarity Converter Cable

8 * DC heads :
1 X Led terminal connector

1 X Mirco Usb

1 X Mini Usb

1 X 3.0 x 1.1mm
1 X 2.5 x 0.7mm
1 X 3.5 x 1.35mm
1 X 4.0 x 1.7mm
1 X 5.5 x 2.5mm

Checking Compatibility
1) Firstly check your device runs on one of the voltages below.
Voltage Outputs: 3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V, 18V, 24V
2) Secondly check that the power requirement of your device is less than the outputting power of the power adapter
3) Next, check that the size of your DC socket in your equipment matches one below.
External x Internal Diameter (mm)
Led terminal connector
Mirco Usb
Mini Usb
3.0 x 1.1mm
2.5 x 0.7mm
3.5 x 1.35mm
4.0 x 1.7mm
5.5 x 2.5mm
Male with no internal diameter：5.5*2.1mm